Handcuffs

1. Comply with the relevant requirements of basic barrel-type metal handcuffs in GA172-2014 Metal Handcuffs;

2. The metal handcuff lock cylinder is triangular;

3, metal handcuffs surface color is uniform, no shelling, foaming and other defects, the connection parts should be smooth and tidy, left and right handcuffs body shape should be consistent, no obvious bending deformation, fan beam tooth shape is complete, smooth and neat corners, fan beam shaking amount should be ≤ 0.2mm. The dimension of the end face of the barrel metal handcuff core protruding from the handcuff body shall be ≤ 0.2mm, and the dimension of the end face of the recessed handcuff body shall be ≤ 0.5mm.

4. Quality: ≤ 400g;

5. Flexibility: Metal handcuffs with keys and lock cylinders should be closely matched. After the keys are inserted into the lock cylinders, they should rotate flexibly without blocking, and opening and closing should be flexible without blocking;

6. Anti-dial performance: The net anti-dial working time of basic metal handcuffs should reach 2min;

7, durability: metal handcuffs normally open, locked 6000 times should be able to normal use;